
It’s not about us
We still feel its important for you to know who we are and what we do
Meet The Team
We believe its “takes a village” for a community to thrive. Our team took their experiences in education and life and together made Collaborative to tackle even the most toughest of challenges.
Please feel free to search for your service, location or insurance provider. You may also book with a provider on their profiles below
Margaret Rau, MS, LMSW
Margaret (She/Her) is a New York City-based Psychotherapist and Licensed Social Worker whose practice is based on building warm and trusting relationships. She use Cognitive Behavioral Therapy techniques and mindfulness to make space for clients to self-soothe, regulate, and ready themselves to make the changes they are wanting in their lives. She partners with her clients to provide them with guidance tailored to their needs while they navigate the concerns that brought them to therapy.
Throughout her career, she has counseled a myriad of people, including but not limited to, birthing people dealing with mental health challenges, teens experiencing emotional and social hardships, adolescents and young adults on the autism spectrum, adults across the life span navigating their mental health, and child welfare-involved families. She has worked in a wide range of therapeutic settings, including adventure therapy, clinically-informed life coaching, school-based mental health, a senior center, child welfare family therapy and in an alternative healing center specializing in vibrational sound therapy. This diversity of experience has allowed her to build a practice that is flexible to the needs of her clients in order to support their growth and healing.
She earned her Master of Social Work in 2021 from CUNY Hunter, where she focused her clinical research and practice on intersections of disability and aging. As well as, clinical considerations in perinatal care, and her Bachelor of Science in Applied Psychology from Montana State University. She makes time to be in nature, journal, craft, and adventure whenever she can.
Margaret Rau, MS, LMSW
Psychotherapist
Margaret (She/Her) is a New York City-based Psychotherapist and Licensed...
Lisa Piccinnini, BA
Lisa (She/Her) is a graduate student at Baruch College pursuing an M.A. in Mental Health Counseling and has a B.A. in Clinical Psychology from Hunter College. She is from Long Island, New York and now lives in NYC. She is committed to offering a nonjudgmental space for others where they can feel comfortable to explore and process their experiences, thoughts, and emotions, as well as be their most authentic selves in order to reach their goals and fullest potential.
Lisa’s therapeutic style is warm, attentive, and flexible. She believes in working together with her clients to meet them where they are at and discover what approaches will work best for them. She often uses various components of CBT and psychodynamic theory when working with her clients. Lisa is passionate about helping individuals who are struggling with anxiety, depression, trauma, life transitions, disordered eating, and other presenting issues, as well as those in the LGBTQ+ community.
Lisa feels strongly about the bidirectional relationship between the mind and the body and believes in the importance of physical movement and self-care. In her free time, she loves strength training, going for walks, spending time outside, and spending time with her dog, Koda. She also enjoys cooking, trying new restaurants in New York City, puzzles, and spending time with her friends and family.
Lisa recognizes how important it is to take care of one’s mental health and how challenging it can be to take the steps to do so. She looks forward to working with you and supporting you in the process!
Lisa Piccinnini, BA
Clinical Intern
Lisa (She/Her) is a graduate student at Baruch College pursuing...
Cristina Shea, MS, LMSW
Cristina (She/Her) is a licensed psychotherapist practicing in New York, with a primary focus on emotional, social, and behavioral challenges faced in early adulthood, adolescence, and childhood. Her client-centered approach is grounded in attachment and cognitive behavioral theories. Cristina is passionate about helping her clients find comfort with everyday thoughts, emotions, and experiences that contribute to living a full life.
Whether coming to her in a time of crisis or beginning therapy to maintain a healthful state of mind, Cristina takes a gentle and holistic stance with each client, developing a treatment plan that is unique to their needs. Her approach caters to varying client needs, including, but not limited to, anxiety disorders, depressive disorders, eating disorders, neurodivergence, trauma, and gender and sexuality struggles and exploration. She is always eager to learn more and is frequently engaging in opportunities to learn and expand her knowledge.
Outside of her practice, Cristina is an adjunct lecturer, a 200-hour registered yoga teacher, and an avid runner.
Cristina received her graduate degree in social work from New York University and her undergraduate degree in psychology from Marymount Manhattan College.
Cristina Shea, MS, LMSW
Senior Psychotherapist
Cristina (She/Her) is a licensed psychotherapist practicing in New York,...
Artur Lebiedzinski, MA, MHC-LP
Artur Lebiedzinski: (He/Him) has been working in the mental health field for several years and holds a Master’s degree in Mental Health Counseling. He has worked with various populations such as those struggling with COVID-19 stress, personality disorders, adjustment disorder, anxiety, depression, body image, relationship issues, and more.
In practice, Artur considers personality, historical context, and the complexities of distress tolerance. His personal experience growing up in several countries has shaped his unbiased views and recognition of alternative perspectives. Everyone is different, and each client deserves the utmost level of attention, responsiveness, and uniquely personalized approach when engaged in treatment.
Artur believes in each person’s unique ability and capacity to overcome their challenges. He uses a person-centered and evidence-based approach to foster curiosity, safety, and openness to growth.
He enjoys spending time with friends, playing video games, basketball, cooking, hiking, and fishing. Artur is proficient at providing psychotherapy in English and Polish.
Artur Lebiedzinski, MA, MHC-LP
Psychotherapist
Artur Lebiedzinski: (He/Him) has been working in the mental health field...
Hanni Flaherty, PhD, LCSW-R
Hanni (She/Her) is a New York City-based Clinical Social Worker specializing in adolescents, young adults, and families. Over the past 10 years, she has worked with clients who struggle with a wide range of issues. Her areas of expertise include treating adolescents and young adults with family conflict, substance use, high-risk behaviors, self-harming behaviors, anxiety, depression, mood disorders, personality disorders, trauma, bullying, gender, and sexuality struggles.
Her practice uses a Cognitive Behavioral Treatment approach that takes into consideration each person’s strength and experience. She has a Ph.D. in clinical social work, an LCSW-R, and a CASAC. She is also trained in Trauma-Focused Cognitive Behavioral Therapy, Motivational Interviewing, and Family Structure Therapy. In addition, she is a Certified Addiction and Substance Abuse Counselor (CASAC) and New York State DUI evaluator.
Her treatment style encompasses open and honest communication to help clients achieve their goals through short-term treatment, long-term treatment, family therapy, and group treatment. Through the development of a strong therapeutic alliance, they work together to develop effective coping skills. In treatment, she strives to create a safe, understanding, and collaborative atmosphere where her clients can share their emotions and explore their struggles. They all have the ability to overcome obstacles and achieve their goals. Therapy should be a helpful force in achieving life goals and overcoming life struggles.
Hanni Flaherty, PhD, LCSW-R
Founder & Social Work President
Hanni (She/Her) is a New York City-based Clinical Social Worker specializing...
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